Environmental Scan, an examination of the external and internal environments:
There isn't an article or report called "environmental scan." This is something that you must write yourself by synthesizing information from multiple sources.
Consider industry-specific forces: e.g., for the automobile industry, factors like gas price, new technologies, environmental concerns, changes in consumer preferences, infrastructures, industry/government incentives, global/foreign competitions, etc..
Consider broader forces: economy and disposable income, social media, mobile technology, consumer health, globalization, population change (e.g., immigration, aging), etc..
Recommended sources: most databases featuring company profiles or industry profiles will have some information on environmental factors and their impact on the company or industry. Industry association websites should have some free information about trends and developments. In addition, follow current events in the news and search for current articles related to the company or industry. Synthesize the information and use your own words.
PESTEL/PEST Analysis: there are no readily available "PEST/PESTEL reports" in library databases. Best bets:
Five Forces Analysis:
Sustainability report or corporate social responsibility report, if issued, can be found on the company website. Other resources include:
Search for the name of the company in the article headline. Limit your search to the last twelve months (or shorter if you get too many results).
The Congressional Research Service (CRS) produces analytical reports on topics of interest to Congress, but does not maintain a public website with these reports.
For more information, see the Dudley Knox Library of the Naval Postgraduate School's guide on Congressional Research Service (CRS) Reports